Sum of dice throwing

來源: crazy_math 於 2010-03-27 23:42:13 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (154 bytes)

A fair dice is thrown repeatedly. Let Xn be the total sum of the first n throws. What is the probability that Xn is divisible by 13 as n goes to infinite.

所有跟帖： 

• 回複：Sum of dice throwing -jinjing- ♀ 給 jinjing 發送悄悄話 (26 bytes) () 03/28/2010 postreply 10:06:41

• 回複：Cancel my anwser,It seems 1/13 -jinjing- ♀ 給 jinjing 發送悄悄話 (0 bytes) () 03/28/2010 postreply 10:21:44

• 回複：回複：Cancel my anwser,It seems 1/13 -crazy_math- ♂ 給 crazy_math 發送悄悄話 crazy_math 的博客首頁 (75 bytes) () 03/29/2010 postreply 06:31:08

• Do my best (圖) -Jinjing- ♀ 給 Jinjing 發送悄悄話 (275 bytes) () 03/29/2010 postreply 12:47:51

• P0 = (P12 + P11 + P10 + P9 + P8 + P7) / 6 -空指針異常- ♂ 給 空指針異常 發送悄悄話 (364 bytes) () 03/31/2010 postreply 10:50:20

• ? -jinjing- ♀ 給 jinjing 發送悄悄話 (0 bytes) () 03/31/2010 postreply 17:30:00

• 另一種解法 -空指針異常- ♂ 給 空指針異常 發送悄悄話 (989 bytes) () 03/31/2010 postreply 11:53:24

• oops，回錯貼了，應該是knight jump，版主幫刪了吧 -空指針異常- ♂ 給 空指針異常 發送悄悄話 (0 bytes) () 03/31/2010 postreply 11:56:31

• The problem is not clear. -亂彈- ♂ 給 亂彈 發送悄悄話 亂彈 的博客首頁 (84 bytes) () 03/30/2010 postreply 18:30:30

• 回複：The problem is not clear. -jinjing- ♀ 給 jinjing 發送悄悄話 (76 bytes) () 03/30/2010 postreply 20:32:58

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